package cn.lkx.serviceorder.service.impl;

import cn.lkx.servicebase.exceptionhandle.MyException;
import cn.lkx.serviceorder.entity.Order;
import cn.lkx.serviceorder.entity.PayLog;
import cn.lkx.serviceorder.mapper.PayLogMapper;
import cn.lkx.serviceorder.service.OrderService;
import cn.lkx.serviceorder.service.PayLogService;
import cn.lkx.serviceorder.utils.HttpClient;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author lkx
 * @since 2022-05-12
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {
    @Autowired
    OrderService orderService;

    //生成支付二维码
    @Override
    public Map<String, Object> createNative(String orderNo) {
        try {
            //1、根据订单号查询订单信息
            Order order = orderService.getOne(new QueryWrapper<Order>().eq("order_no", orderNo));
            //2、使用map设置生成二维码需要的参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");  //商户号
            m.put("nonce_str", WXPayUtil.generateNonceStr()); //随机字符串
            m.put("body", order.getCourseTitle()); //生成二维码内容
            m.put("out_trade_no", orderNo); //订单号
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");//设置订单价格
            m.put("spbill_create_ip", "127.0.0.1"); //项目域名
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n"); //回调地址
            m.put("trade_type", "NATIVE"); //支付类型

            //3、发送httpClient请求请求微信第三方，需要传递xml格式 的参数
            HttpClient httpClient = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            httpClient.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));//商户key
            httpClient.setHttps(true);
            httpClient.post();   //发送请求
            //4、得到第三方的返回结果， 返回的是xml格式
            String contentXml = httpClient.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(contentXml);
            //5、获取需要的信息封装返回结果
            Map map = new HashMap<>();
            map.put("out_trade_no", orderNo);
            map.put("course_id", order.getCourseId());
            map.put("total_fee", order.getTotalFee());
            map.put("result_code", resultMap.get("result_code")); //二维码操作状态码
            map.put("code_url", resultMap.get("code_url")); //二维码地址
            //微信支付二维码2小时过期，可采取2小时未支付取消订单
            //redisTemplate.opsForValue().set(orderNo, map, 120, TimeUnit.MINUTES);
            return map;
        }catch (Exception e){
            throw new MyException(20001,"二维码生成失败");
        }
    }
    //获取支付状态
    @Override
    public Map<String,String> queryPayStatus(String orderNo) {
        try {
            //1、封装参数
            Map<String,String> m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2、设置请求
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery"); //查询支付状态的地址
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

            return resultMap;
        }catch (Exception e){
            e.printStackTrace();
        }
        return null;
    }
    //添加支付记录  和更新订单信息
    @Override
    public void updateOrderStatus(Map<String, String> map) {
        //获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单号查询订单信息
        Order order = orderService.getOne(new QueryWrapper<Order>().eq("order_no", orderNo));
        if (order.getStatus()==1) return;//如果是已支付
        order.setStatus(1);
        orderService.updateById(order);  //更新订单状态
        //记录支付日志
        PayLog payLog = new PayLog();
        payLog.setOrderNo(orderNo);
        payLog.setPayTime(new Date());
        payLog.setPayType(1);//支付类型
        payLog.setTotalFee(order.getTotalFee());//总金额(分)
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));//流水号
        payLog.setAttr(JSONObject.toJSONString(map));
        baseMapper.insert(payLog);//插入到支付日志表

    }
}
